The actress playing the T-1000 as it imitates Sarah Connor near the end of the movie was Leslie Hamilton Gearren, Linda Hamilton's twin sister. Leslie is also used in the apocalyptic playground scene.

For the hero tracking shot a mirror-image set was built on the opposite side of the mirror hole with Linda's twin sister Leslie, Eddie Furlong's photo double, and Arnold with reversed makeup on the far side. In the foreground, Linda, Eddie and an articulated puppet head moved in sync with their counterparts as the camera tracked around and moved in to reveal the hole in the Terminator's head.

For the theatrical version of the film, a cutaway and a single looped line of dialogue "The more contact I have with humans, the more I learn" was added to cover the omission of the entire scene where Sarah and John reset the Terminator's chip to make him learn more.

The scene of Orderly Dougie licking Sarah's (Linda Hamilton) face was somewhat of a defining moment for the slimy orderly. Casting Director Mali Finn had all potential actors for the role lick her face during the auditions. Actor Ken Gibbel won the role.

When the Joker (Heath Ledger) comes to crash the fundraiser party that Bruce Wayne (Christian Bale) holds for Harvey Dent (Aaron Eckhart) actor Michael Cain actually had lines in the Joker entrance sequence. But it was the first time he saw Heath Ledger in-character and he completely forgot to say them.

Since Western audiences tend to move their eyes left to right, Geoffrey Rush requested that when sharing the screen with his "more attractive" cast mates, he be standing on the left as much as possible. Especially when it was with Keira Knightley.

The voice of Boo in Monsters Inc., Mary Gibbs, was just a toddler at the time. The production team had a hard time getting her to sit still to say her lines, so they followed her around the studio with a microphone and pieced Boo's dialog together from the things Gibbs said while playing.

Michelle Pfeiffer had to be "vacuum-sealed" into her latex Catwoman costume. She could only wear the costume for limited amounts of time to avoid passing out. The costume was also so tight that she could barely hear how her own voice sounded and had to be instructed by director Tim Burton when she was speaking to loud.

Alan Klein, the owner of the song used in the closing credits of The Big Lebowski, wanted $150,000 for its use. He was persuaded to watch the film first, and he got as far as the scene where The Dude says, "I hate the f**kin' Eagles, maaaaan!" At which point Klein stood up and told them they could have the song for free. Because f**k the Eagles.

The word "dude" in The Big Lebowski is used approximately 161 times in the movie. The F-word or a variation of the F-word is used 292 times. The Dude says "man" 147 times in the movie, that's nearly 1.5 times a minute.

After conceiving the character of Machete and telling Danny Trejo about it, Robert Rodriguez started receiving phone calls from Danny trying to convince him to make the film. One day, he said he was busy and asked why he can't just send a text message instead of constantly calling, to which Danny Trejo replied: MACHETE DON'T TEXT

Alec Baldwin's character Blake and his caustic "Always be closing" monologue was never part of David Mamet's original Pulitzer Prize winning two act play. Mamet added these to the screen adaptation, primarily for length. It's Baldwin's only scene in the film.

During the filming of The Lord of the Rings Christopher Lee informed Peter Jackson of the proper sound a man makes when he's stabbed in the back. His experience stemmed from his time as an Undercover Agent for British Intelligence in World War II.

Robert Downey Jr. was fiddling with the controls of his Iron Man costume while waiting to film scenes featuring him and Scarlett Johansson (Natasha Romanoff/Black Widow) when Downey hit the “wrong” button. The suit punched Scarlett clean off the sound stage. Downey couldn’t stop apologizing. Scarlett got up, dusted herself off, and even cracked a smile.

The movie is actually named after the boulevard in Santa Monica, California, where the Bad Robot offices were located during the making of the film. “Cloverfield” was originally just a codename for the movie. Finally, the producers decided it would be a fun inside joke and just kept the name.

While filming “The African Queen” (1950) in the Congo, everybody on the crew, including Katherine Hepburn, became extremely ill with dysentery from drinking the water. Everybody that is, except Humphrey Bogart, who only drank Whiskey.

OJ Simpson was originally considered for the role of the Terminator. Mel Gibson, Tom Selleck, and Michael Douglas were also considered. Originally, the Terminator was suppose to look like an average man, someone who could blend into a crowd. James Cameron and the producers finally decided that Simpson was “too nice” to be taken seriously as a cold-blooded killer.

The costume for the Cowardly Lion in the ‘Wizard of Oz’ was made from real lion skins.

Judy Garland was paid $35 a week for her role as Dorothy in the ‘Wizard of Oz’. Toto was paid $150. The Ruby slippers Judy wore in a screen test fetched $612,000 at auction. However, another pair of ruby slippers which Judy actually wore on screen, pair #7, will be auctioned off. They are expected to sell for $2 – $3 million dollars.

There was no love lost between Reese Witherspoon and Vince Vaughn on the set of ‘Four Christmases’. Reese is an extremely rehearsed actress while Vince views the script as a guide, preferring to improv many of his lines. The two actors despised each other so much, it actually caused filming delays.

The movie ‘Halloween’ was filmed on such a tight budget, the famous Michael Myers mask is actually a Captain Kirk Halloween mask painted white. Also, ‘Halloween’ was originally titled ‘The Babysitter Murders’.